Home / 893,820.60-1,340,730.90-828,210.60

Finding the Fourth Proportional to 893,820.60, 1,340,730.90 and 828,210.60

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Solution

The fourth proportional to 893,820.60, 1,340,730.90 and 828,210.60 is: 1,242,315.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,820.60 : 1,340,730.90 = 828,210.60 : x
  2. Step 2: Convert to fraction form
    893,820.60/1,340,730.90 = 828,210.60/x
  3. Step 3: Cross multiply
    893,820.60x = 1,340,730.90 × 828,210.60
  4. Step 4: Simplify right side
    893,820.60x = 1,110,407,543,127.54
  5. Step 5: Solve for x
    x = 1,110,407,543,127.54/893,820.60
  6. Step 6: Final answer
    x = 1,242,315.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.